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Reed Organ

Description: Patent for improved construction of reed boards that prevents dust from getting inside of the reeds.
Date: November 7, 1916
Creator: Preston, Percy
Partner: UNT Libraries Government Documents Department

Journal-Box.

Description: Patent for a journal or wheel axle box that allows the wheel to rotate freely and reduces friction stopping the boxes from becoming hot.
Date: May 7, 1907
Creator: Neighbor, William W.
Partner: UNT Libraries Government Documents Department

Improvement in Air-Cooling Apparatus.

Description: Patent for "the construction and arrangement of a refrigerator for the purpose of cooling and maintaining a low and dry temperature, for preserving fresh meats and vegetables, and for cooling rooms for any purpose." (Lines 10-15) Includes instructions and illustrations.
Date: March 30, 1875
Creator: Hyatt, Frank A.
Partner: UNT Libraries Government Documents Department

Portable Folding Poultry-Coop

Description: Patent for "an improvement in portable folding poultry-coops, and more particularly to a'coop or crate used in the transportation of fowls to market by rail or boat" (lines 8-11)
Date: January 28, 1890
Creator: Yoakum, Robert
Partner: UNT Libraries Government Documents Department

Press-Box for Horizontal Oil-Presses.

Description: Patent for a press-box for horizontal oil-presses that produces "a cake of even thickness and density, and without strain on any part of the box" (lines 11-13) that has "a box fitted with a strainer that will be more lasting, which can be cleaned without removing it form the box, or the box from the press, and to which the cake will not adhere; [and] to provide a box fitted with effective and economical means of raising the cake out of the box after it is pressed" (lines 13-20). This box is mad… more
Date: May 7, 1895
Creator: Lelardoux, Pierre
Partner: UNT Libraries Government Documents Department

Trolley-Harp.

Description: Patent for improvements to the efficiency of trolley harps by changing how the currents that power "overhead type electric car systems" (lines 13-14) are conducted.
Date: May 15, 1917
Creator: Carmack, James H.
Partner: UNT Libraries Government Documents Department

Trolley-Controller

Description: Patent for a means to "instantly pull down the trolley-pole when its trolley jumps the conductor-wire." (line 15-17)
Date: November 24, 1903
Creator: Leecraft, Walter, B.
Partner: UNT Libraries Government Documents Department

Surgical Instrument.

Description: Patent for a surgical instrument meant to help examine and treat the urethra and similar internal canals and passages. It can easily be cleaned and taken apart.
Date: January 15, 1895
Creator: Johnson, Emmet E.
Partner: UNT Libraries Government Documents Department

Gland or Swab-Holder

Description: Patent for a holder for swabs used for lubricating pistons, valve rods, and other similar devices. Illustrations included.
Date: January 14, 1908
Creator: Slaydon, William
Partner: UNT Libraries Government Documents Department

Swab Holder

Description: Patent for improvements in swab-holders consisting of a sectional box or cup containing fibrous material to apply a lubricating oil for the piston-rod to reduce friction and wear on the rod.
Date: July 10, 1906
Creator: Bruce. J.
Partner: UNT Libraries Government Documents Department

Telephone Transmitter and Receiver

Description: Patent for a telephone transmitter and receiver. The device is for lines "known as 'long-distance' telephones for the purpose of taking up the weakened vibrations and re-energizing them...transmitting them with increased volume" (line 12-15) illustration included.
Date: June 30, 1903
Creator: Sammons, Oliver P.
Partner: UNT Libraries Government Documents Department

Hay Press.

Description: Patent for a new and improved hay-press. This design "is to produce a hay-press of simple construction that will work easily and rapidly, that will operate in such a manner that the hay cannot clog in the press, and in which the plunger or follower will be automatically reciprocated by a continuous motion of the main pulley" (lines 9-15). It consists, "with the plunger having a sideways-extending arm, a screw-shaft connected with the plunger and having a sideways-extending arm, the pinion on th… more
Date: January 13, 1891
Creator: Donald, Frank
Partner: UNT Libraries Government Documents Department

Washing Machine

Description: Patent for a washing machine. "This invention relates to washing-machines in the nature of a combined boiler and washing machine" (8-10). Illustration included.
Date: October 13, 1903
Creator: Pollard, Louis Edgar
Partner: UNT Libraries Government Documents Department

Ant-Trap

Description: Patent for an ant trap "to provide a simple, inexpensive, and efficient one of great strength and durability adapted to be place over an ant-hill and capable of capturing the ant in the hill as they leave the same and also of catching the outside ants as they attempt to enter the hill. (line 11-17)
Date: May 26, 1903
Creator: Finley, William Frederick
Partner: UNT Libraries Government Documents Department

Surgical Applicator

Description: Patent for a surgical applicator "which may be employed for the application of a suitable medicament to the membranous lining of the urethral canal of the phallus.(line 10-14).
Date: May 26, 1903
Creator: Ridgeway, Elzie L. & Bailey, Dan H.
Partner: UNT Libraries Government Documents Department

Grain Door

Description: Patent for a railway car door that is designed to assist with loading and unloading of grain
Date: October 23, 1915
Creator: Alquist, Sven Peter
Partner: UNT Libraries Government Documents Department
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